The following bug has been logged on the website:
Bug reference: 16155
Logged by: Jihed Zaoueli
Email address: zaoueli(dot)jihed(at)gmail(dot)com
PostgreSQL version: 10.0
Operating system: MacOS 10.15.1
Description:
After updating to Mac Os 10.15 I cannot run the pgAdmin application with and
error message "The application server could not be contacted". I have tried
it on other computers and it looks like there is a compatibility problem.
Thank you